Analog Oscilloscope

Brand: CL

Model: MOS-620CH

Pictures are for reference only.

Horizontal System:

Sweep time: 0.2uSec~0.5Sec/DIV,20steps in 1-2-5 sequence.

Sweep time accuracy: ±3%.

Venire sweep time control: ≤1/2.5 of panel-indicated and #118alue.

Sweep magnification: 10 times. ×10MAG

Sweep time accuracy: ±5%.

Linearity: ±5%,×10,

MAG: ±10% (0.2s~1us).

Position shift caused by ×10MAG: within 2DIV. At CRT screen center.
X-Y Mode: Frequency

Bandwidth: DC to at least 500KHz.

X-Y phase difference: ≤3°at DC~50KHz.

Sensitivity: Same as the vertical axis.

X-axis: CH1 input signal

Y-axis: CH2 input signal.

Calibration Voltage:

Waveform: Positive-going square wave.

Frequency: Approx. 1KHz.

Duty ratio: Within 48:52.

Output voltage: 2Vp-p±2%.

Output impedance: Approx.1KΩ

Calibration Signal:

Waveform: Positive-going square wave.

Frequency: Approx. 1KHz.

Duty ratio: Within 48:52.

Output voltage: 2Vp-p±2%.

Output impedance: Approx.1KΩ
CRT: Type: 6-inch rectangular type, internal graticule.

Phosphor: P31.

Acceleration voltage: Approx.2KV (20MHz).

Effective screen size: 8×10DIV [1DIV=10mm (0.39in).

Graticule: Internal.

Trace rotation: Provided

Vertical Axis:

Sensitivity: 5mV~5V/DIV, 10 steps in 1-2-5sequence.

Sensitivity accuracy: ≤3%.

Venire vertical sensitivity:

Continuously variable to 1/2.5 or less of panel-indicated and #118alue Frequency.

Bandwidth: DC~20MHz (x5MAG: DC~7MHz).

AC coupling: Low limit frequency 10Hz.

Rise time: Approx.17.5ns. Approx.7ns.

Input impedance: Approx.1MΩ/Approx.25pF.

DC balance shift: 5mV~5V/DIV: ±0.5DIV, 1mV~2mV/DIV ±2.0DIV.

Linearity :< ±0.1DIV of amplitude change when the waveform of 2DIV at graticule center is moved vertically.

Vertical modes: CH1

Single channel; CH2 single channel.

DUAL: CH1 and CH2 are displayed. Simultaneously.

ALT or CHOP selectable at any sweep rate; ADD: CH1 CH2 algebraic addition.

Chopping repetition frequency: Approx. 250KHz.

Input coupling: AC, GND, DC.

Maximum input voltage: 300Vpeak (AC: frequency 1KHz or lower).

Common-mode rejection ratio: 50:1 or better at 50KHz sinusoidal wave.

Triggering source: CH1, CH2, LINE, and EXT.

 

Coupling:

AC: 20Hz to full bandwidth.

Sensitivity: 20Hz~2MHz:1DIV

TRIG-ALT:2DIV

EXT:200mV

TRIG-ALT:3DIV

EXT: 800mV. 2~20MHz: 1.5DIV.

TV: Sync pulse more than 1 DIV (EXT: 1V).

Triggering modes: AUTO;

NORM: TV-V: TV-H: (Both TV-V and TV-H synchronize only when the synchronizing signal is negative).

EXT triggering signal input:

Input impedance/: Approx.: 1MΩ/approx.25pF.

Max. input voltage:300V (DC AC peak)

AC: Frequency not higher than 1KHz.